[geert-renesas-drivers:renesas-clk-for-v7.4 16/16] drivers/clk/renesas/r9a09g077-cpg.c:966:35: error: use of undeclared identifier '__free_kfree'; did you mean '__free_pages'?

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-clk-for-v7.4
head:   810b8b6c4e02c40991c29491cec09ebdaf5ec6d0
commit: 810b8b6c4e02c40991c29491cec09ebdaf5ec6d0 [16/16] clk: renesas: r9a09g077: Register SYSC regmap
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260910/202609101334.xgbNoC4e-lkp@intel.com/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project c1872e7fd3307679a2da53f9d83de0ccf234b4ad)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609101334.xgbNoC4e-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609101334.xgbNoC4e-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/clk/renesas/r9a09g077-cpg.c:966:35: error: use of undeclared identifier '__free_kfree'; did you mean '__free_pages'?
     966 |         struct regmap_config *regmap_cfg __free(kfree) = kzalloc_obj(*regmap_cfg);
         |                                          ^~~~~~~~~~~~~
   include/linux/cleanup.h:213:33: note: expanded from macro '__free'
     213 | #define __free(_name)   __cleanup(__free_##_name)
         |                                   ^~~~~~~~~~~~~~
   <scratch space>:3:1: note: expanded from here
       3 | __free_kfree
         | ^~~~~~~~~~~~
   include/linux/gfp.h:342:13: note: '__free_pages' declared here
     342 | extern void __free_pages(struct page *page, unsigned int order);
         |             ^
>> drivers/clk/renesas/r9a09g077-cpg.c:966:35: error: 'cleanup' function '__free_pages' must take 1 parameter
     966 |         struct regmap_config *regmap_cfg __free(kfree) = kzalloc_obj(*regmap_cfg);
         |                                          ^
   include/linux/cleanup.h:213:33: note: expanded from macro '__free'
     213 | #define __free(_name)   __cleanup(__free_##_name)
         |                                   ^
   <scratch space>:3:1: note: expanded from here
       3 | __free_kfree
         | ^
>> drivers/clk/renesas/r9a09g077-cpg.c:966:51: error: call to undeclared function 'kzalloc_obj'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     966 |         struct regmap_config *regmap_cfg __free(kfree) = kzalloc_obj(*regmap_cfg);
         |                                                          ^
>> drivers/clk/renesas/r9a09g077-cpg.c:966:24: error: incompatible integer to pointer conversion initializing 'struct regmap_config *' with an expression of type 'int' [-Wint-conversion]
     966 |         struct regmap_config *regmap_cfg __free(kfree) = kzalloc_obj(*regmap_cfg);
         |                               ^                          ~~~~~~~~~~~~~~~~~~~~~~~~
   4 errors generated.


vim +966 drivers/clk/renesas/r9a09g077-cpg.c

   963	
   964	static int r9a09g077_post_init(struct device *dev, struct cpg_mssr_pub *pub)
   965	{
 > 966		struct regmap_config *regmap_cfg __free(kfree) = kzalloc_obj(*regmap_cfg);
   967		struct r9a09g077_sysc_reg *sysc_reg;
   968		struct regmap *regmap;
   969		struct resource res;
   970		int ret;
   971	
   972		/*
   973		 * Return early if the SYSC sizes are not as expected, for backwards
   974		 * compatibility with older device trees that only expose the 64 KiB
   975		 * CPG register window.
   976		 */
   977		ret = of_address_to_resource(dev->of_node, 0, &res);
   978		if (ret)
   979			return ret;
   980		if (resource_size(&res) != RZT2H_CPG_REG_SIZE)
   981			return 0;
   982	
   983		ret = of_address_to_resource(dev->of_node, 1, &res);
   984		if (ret)
   985			return ret;
   986		if (resource_size(&res) != RZT2H_CPG_REG_SIZE)
   987			return 0;
   988	
   989		if (!regmap_cfg)
   990			return -ENOMEM;
   991	
   992		sysc_reg = devm_kzalloc(dev, sizeof(*sysc_reg), GFP_KERNEL);
   993		if (!sysc_reg)
   994			return -ENOMEM;
   995	
   996		/* Only allow access in the SYSC regions */
   997		sysc_reg->base[0] = pub->base0 + RZT2H_SYSC_OFFSET;
   998		sysc_reg->base[1] = pub->base1 + RZT2H_SYSC_OFFSET;
   999	
  1000		regmap_cfg->name = "rzt2h_sysc";
  1001		regmap_cfg->reg_bits = 32;
  1002		regmap_cfg->reg_stride = 4;
  1003		regmap_cfg->val_bits = 32;
  1004		regmap_cfg->fast_io = true;
  1005		regmap_cfg->max_register = RZT2H_SYSC_SIZE - 1;
  1006		regmap_cfg->readable_reg = r9a09g077_writeable_readable_sysc;
  1007		regmap_cfg->writeable_reg = r9a09g077_writeable_readable_sysc;
  1008	
  1009		regmap = devm_regmap_init(dev, &r9a09g077_sys_regmap_bus, sysc_reg, regmap_cfg);
  1010		if (IS_ERR(regmap))
  1011			return PTR_ERR(regmap);
  1012	
  1013		return of_syscon_register_regmap(dev->of_node, regmap);
  1014	}
  1015	

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